1) over balance pressure
超正压
1.
Considered influences of reservoir characteristics and perforation parameters on the perforation efficiency,new perforation techniques including over balance pressure perforation,1m bullet perforation and over sleeve perforation etc.
结合储层性质及射孔参数对射孔效率影响和理论研究 ,通过引进超正压射孔、1m弹射孔、袖套式射孔等新型射孔技术 ,针对不同类型油藏优化射孔参数 ,射孔完善程度得到提高 ,取得了明显经济效
2) extreme overbalanced perforation
超正压射孔
1.
Analyzed is the technology of extreme overbalanced perforation(EOP),reconstructed is Lian 150 well with EOP.
通过对超正压射孔分析及在联150井的实施改造,测试结果表明,改善了该井由于钻井时发生大量的泥浆滤失造成的储层伤害,提高了产量并进一步正确认识了目的层的储量。
3) Combustion-gas ultrapositive-pressure
燃气式超正压
1.
Combustion-gas ultrapositive-pressure perforating is a kind of new perforating technique.
燃气式超正压射孔就是在射孔前,用火药燃烧气体,在目的层形成高压,然后打开油气流入井筒通道的一种射孔工艺。
4) combustion-gas ultrapositive-pressure perforating technique
燃气式超正压射孔技术
5) Overpressure
[英]['əuvə'preʃə] [美]['ovɚ'prɛʃɚ]
超压
1.
Mechanisms for Retardation of Mechanical Compaction by Overpressures and its Application;
超压对机械压实的减缓抑制机理及其应用
2.
Characteristics of Jurassic mudstone overpressure and its control on oil and gas accumulation in Turpan Depression;
吐鲁番坳陷侏罗系泥岩超压特征及其对油气成藏的控制
3.
Influence and Evaluation of Overpressure on Oil and Gas Reservoir Forming;
超压对油气成藏的影响及其评价
6) over-pressure
超压
1.
Deflagrating over-pressure of flammable gas cloud composed of acetylene/air of a fuel concentration 13.
实验结果表明:障碍物层数越多,爆燃压力越强;障碍物设置在气云边缘和气云外部障碍物附近的爆炸超压增大,但小于内部障碍物对爆炸威力的增大趋势,且障碍物后爆炸超压随测点距离的变化趋势是一致的。
2.
Test method for the over-pressures of explosions is given.
介绍了爆炸超压场的测试方法,给出了几种一次引爆型燃料-空气炸药和对应高能炸药爆炸超压场超压峰值的试验结果并进行了比较;进一步计算了一次引爆型燃料—空气炸药的TNT比当量。
3.
The cause of over-pressure in Diesel Engine includes fracture on piston,fracture of piston rings and cylinder wear.
通过对机车柴油机超压现象的原因分析,得出导致柴油机超压的原因有:活塞顶裂纹、活塞气环折断、气缸套磨损。
补充资料：冲击波超压与动压